2242400257 has 8 divisors (see below), whose sum is σ = 2255097600. Its totient is φ = 2229717600.

The previous prime is 2242400231. The next prime is 2242400261. The reversal of 2242400257 is 7520042422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2242400257 - 2¹⁵ = 2242367489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242400557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465453 + ... + 470245.

It is an arithmetic number, because the mean of its divisors is an integer number (281887200).

Almost surely, 2^2242400257 is an apocalyptic number.

It is an amenable number.

2242400257 is a deficient number, since it is larger than the sum of its proper divisors (12697343).

2242400257 is a wasteful number, since it uses less digits than its factorization.

2242400257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 2242400257 is about 47353.9888182611. The cubic root of 2242400257 is about 1308.8937024746.

Adding to 2242400257 its reverse (7520042422), we get a palindrome (9762442679).

The spelling of 2242400257 in words is "two billion, two hundred forty-two million, four hundred thousand, two hundred fifty-seven".